U.S. Attorney's Office asks for dismissal on supervisor's behalf a week after Erie Coke as a corporation pleaded guilty to ...

The US Supreme Court’s new standard for when the Environmental Protection Agency can move Clean Air Act enforcement disputes ...

The Western States Trucking Association believes the CTP is a regulation, meaning CARB did not follow state rules in ...

The U.S. Supreme Court sided with Utah in a case about clean air regulations on Wednesday, a decision the state's solicitor ...

Supporters of tax breaks for wind and solar are fighting to retain them in the G.O.P. tax bill. They’re facing a conservative ...

Could a Supreme Court decision regarding a challenge to California's Clean Car standards eventually have implications for ...

Trump signed measures Thursday revoking waivers for the state's mandates that clean up car and truck exhaust and ramp up ...

NY Attorney General Letitia James sues Trump administration for trying to rescind California's Clean Air Act waivers.

Trump signed measures on Thursday revoking waivers for the state’s mandates that clean up car and truck exhaust and ramp up ...

California officials on Thursday filed their 26th lawsuit against the Trump administration, after the president signed ...

Republicans passed a bill to raise Americans' fuel and health costs by $100s of billions - even though they don't have that ...

Colorado has joined a coalition of states in filing a lawsuit challenging the Trump administration's use of the Congressional ...